A CD with a Diameter of 12

question 62

Multiple Choice

A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.0 rad/sec² acquires an angular velocity of 5.0 rad/sec. The CD continues rotating at 5.0 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular acceleration. What is the radial acceleration of a point 4.0 cm from the center at the time 2.0 seconds from the start?

• A) 0.37 m/s²
• B) 0.30 m/s²
• C) 0.28 m/s²
• D) 0.21 m/s²
• E) 0.16 m/s²

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Definitions:

Self-Interest

The consideration of one's own advantage or benefit, often as a motivation for actions in a business or economic context.

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Choices made based on moral principles and values, aiming to do what is right and avoid harm.

Ethical Standards

Principles that guide behavior in terms of what is considered right and wrong, aiming to ensure fairness, integrity, and respect in various contexts.

Integrity

The quality of being honest and having strong moral principles, considered foundational to trustworthiness and ethical behavior in personal and professional contexts.